mplayer有图像了，chcon -t textrel_shlib_t /usr/lib/codecs/drv* 何解？

kooder

没运行 [root@localhost bin]# chcon -t textrel_shlib_t /usr/lib/codecs/drv* 时,只有声音没有图像：

1. [root@localhost bin]# ./mplayer /media/Movies_cd1/爱在哈佛/5.rmvb
2. MPlayer 1.0pre8-4.1.1 (C) 2000-2006 MPlayer Team
3. CPU:               Intel(R) Pentium(R) 4 CPU 2.40GHz (Family: 15, Model: 3, Stepping: 4)
4. CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
6. Opening joystick device /dev/input/js0
7. Can't open joystick device /dev/input/js0: No such file or directory
8. Can't init input joystick
9. Setting up LIRC support...
10. mplayer: could not connect to socket
11. mplayer: No such file or directory
12. Failed to open LIRC support.
13. You will not be able to use your remote control.
15. Playing /media/Movies_cd1/爱在哈佛/5.rmvb.
16. REAL file format detected.
17. Stream description: Audio Stream
18. Stream mimetype: audio/x-pn-realaudio
19. Stream description: Video Stream
20. Stream mimetype: video/x-pn-realvideo
21. Stream mimetype: logical-fileinfo
22. VIDEO:  [RV40]  640x480  24bpp  23.000 fps    0.0 kbps ( 0.0 kbyte/s)
23. Clip info:
24. name: Love Story In Harvard 05
25. author: �����ڹ�������Ӱ��YYcAFС�鷭������ ��ӭ�����ַ�����������  ��ϵjorw7984@163.net
26. copyright: (C) 2004
27. ==========================================================================
28. Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
29. AUDIO: 22050 Hz, 2 ch, s16le, 32.0 kbit/4.54% (ratio: 4005->88200)
30. Selected audio codec: [ffcook] afm: ffmpeg (FFmpeg COOK audio decoder)
31. ==========================================================================
32. Xv: could not grab port 65
33. Could not find free Xvideo port - maybe another process is already using it.
34. Close all video applications, and try again. If that does not help,
35. see 'mplayer -vo help' for other (non-xv) video out drivers.
36. ==========================================================================
37. Opening video decoder: [realvid] RealVideo decoder
38. Error: /usr/lib/codecs/drvc.so: cannot open shared object file: No such file or directory
39. Win32 LoadLibrary failed to load: drvc.so, /usr/lib/codecs/drvc.so, /usr/lib/win32/drvc.so, /usr/local/lib/win32/drvc.so
40. Error loading dll
41. ERROR: Could not open required DirectShow codec drvc.so.
42. Read the RealVideo section of the DOCS!
43. VDecoder init failed :(
44. Opening video decoder: [realvid] RealVideo decoder
45. Error: /usr/lib/codecs/drv4.so.6.0: cannot open shared object file: No such file or directory
46. Win32 LoadLibrary failed to load: drv4.so.6.0, /usr/lib/codecs/drv4.so.6.0, /usr/lib/win32/drv4.so.6.0, /usr/local/lib/win32/drv4.so.6.0
47. Error loading dll
48. ERROR: Could not open required DirectShow codec drv4.so.6.0.
49. Read the RealVideo section of the DOCS!
50. VDecoder init failed :(
51. Opening video decoder: [realvid] RealVideo decoder
52. Win32 LoadLibrary failed to load: drv43260.dll, /usr/lib/codecs/drv43260.dll, /usr/lib/win32/drv43260.dll, /usr/local/lib/win32/drv43260.dll
53. Error loading dll
54. ERROR: Could not open required DirectShow codec drv43260.dll.
55. Read the RealVideo section of the DOCS!
56. VDecoder init failed :(
57. Opening video decoder: [realvid] RealVideo decoder
58. Error: /usr/lib/codecs/drvc.bundle/Contents/MacOS/drvc: cannot open shared object file: No such file or directory
59. Win32 LoadLibrary failed to load: drvc.bundle/Contents/MacOS/drvc, /usr/lib/codecs/drvc.bundle/Contents/MacOS/drvc, /usr/lib/win32/drvc.bundle/Contents/MacOS/drvc, /usr/local/lib/win32/drvc.bundle/Contents/MacOS/drvc
60. Error loading dll
61. ERROR: Could not open required DirectShow codec drvc.bundle/Contents/MacOS/drvc.
62. Read the RealVideo section of the DOCS!
63. VDecoder init failed :(
64. Cannot find codec matching selected -vo and video format 0x30345652.
65. Read DOCS/HTML/en/codecs.html!
66. ==========================================================================
67. AO: [oss] 22050Hz 2ch s16le (2 bytes per sample)
68. Video: no video
69. Starting playback...
70. A: 307.4 (05:07.4) of 3844.0 ( 1:04:04.0)  0.5%

复制代码

运行 [root@localhost bin]# chcon -t textrel_shlib_t /usr/lib/codecs/drv* 后，有图像了 ，但还是报了错：

1. [root@localhost bin]# ./mplayer /media/Movies_cd1/爱在哈佛/5.rmvb
2. MPlayer 1.0pre8-4.1.1 (C) 2000-2006 MPlayer Team
3. CPU:               Intel(R) Pentium(R) 4 CPU 2.40GHz (Family: 15, Model: 3, Stepping: 4)
4. CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
6. Opening joystick device /dev/input/js0
7. Can't open joystick device /dev/input/js0: No such file or directory
8. Can't init input joystick
9. Setting up LIRC support...
10. mplayer: could not connect to socket
11. mplayer: No such file or directory
12. Failed to open LIRC support.
13. You will not be able to use your remote control.
15. Playing /media/Movies_cd1/爱在哈佛/5.rmvb.
16. REAL file format detected.
17. Stream description: Audio Stream
18. Stream mimetype: audio/x-pn-realaudio
19. Stream description: Video Stream
20. Stream mimetype: video/x-pn-realvideo
21. Stream mimetype: logical-fileinfo
22. VIDEO:  [RV40]  640x480  24bpp  23.000 fps    0.0 kbps ( 0.0 kbyte/s)
23. Clip info:
24. name: Love Story In Harvard 05
25. author: �����ڹ�������Ӱ��YYcAFС�鷭������ ��ӭ�����ַ�����������  ��ϵjorw7984@163.net
26. copyright: (C) 2004
27. ==========================================================================
28. Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
29. AUDIO: 22050 Hz, 2 ch, s16le, 32.0 kbit/4.54% (ratio: 4005->88200)
30. Selected audio codec: [ffcook] afm: ffmpeg (FFmpeg COOK audio decoder)
31. ==========================================================================
32. ==========================================================================
33. Opening video decoder: [realvid] RealVideo decoder
34. Error: libstdc++.so.5: cannot open shared object file: No such file or directory
35. Win32 LoadLibrary failed to load: drvc.so, /usr/lib/codecs/drvc.so, /usr/lib/win32/drvc.so, /usr/local/lib/win32/drvc.so
36. Error loading dll
37. ERROR: Could not open required DirectShow codec drvc.so.
38. Read the RealVideo section of the DOCS!
39. VDecoder init failed :(
40. Opening video decoder: [realvid] RealVideo decoder
41. Selected video codec: [rv40] vfm: realvid (Linux RealPlayer 9 RV40 decoder)
42. ==========================================================================
43. AO: [oss] 22050Hz 2ch s16le (2 bytes per sample)
44. Starting playback...
45. VDec: vo config request - 640 x 480 (preferred colorspace: Planar I420)
46. VDec: using Planar I420 as output csp (no 0)
47. Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
48. VO: [xv] 640x480 => 640x480 Planar I420
49. A: 103.5 V: 103.5 A-V:  0.005 ct: -0.000 3103/3103 28%  1%  0.6% 1 0

复制代码

请教高手chcon -t textrel_shlib_t /usr/lib/codecs/drv*这行代码是什么意思呀 ？

kooder

为什么明明 /usr/lib/codecs/ 下有 drvc.so 还会报错呢？